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levacccp [35]
3 years ago
12

Helpppppp meeeeeeeeee

Mathematics
1 answer:
Vilka [71]3 years ago
7 0

Answer:

128°

Step-by-step explanation:

add all of the angles together then subtract that from 360 since all angles in a polygon equal up to be 360

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Christopher bought a new watch at the store when they were having a 20\%20% off sale. If the regular price of the watch was \$48
Aleonysh [2.5K]

Answer:

38.4

Step-by-step explanation:

48*20%=9.6 48-9.6=38.4

7 0
3 years ago
Please help me and others that will stumble on this problem.
lutik1710 [3]

Answer:

A (0,0)

Step-by-step explanation:

When a function intersects the y-axis then the point of intersection is called y-intercept of the function,

Also, for y-intercept x = 0.

That is, if f(x) is the function then its y-intercept is (0, f(0) )

By the given table for x = 0, f(x) = 0

Hence, the y-intercept of the given function is (0,0),

Option A is correct.

5 0
3 years ago
Simplify:
kondaur [170]

Answer:

1. 3r - 2

2. 6x - 9

3. -10y + 29

4. 4x - 3

Step-by-step explanation:

i dont know how to explain. Sorry, i just learn about this today. I have the same exactly questions and here is the answer.

5 0
3 years ago
Solve the equation: 14<2x−1≤20
mafiozo [28]

Answer:

7.5 < x≤10.5

Step-by-step explanation:

14<2x−1≤20

Add 1 to all sides

14+1<2x−1+1≤20+1

15<2x≤21

Divide each side by 2

15/2 <2x/2 ≤21/2

7.5 < x≤10.5

5 0
3 years ago
Read 2 more answers
Subtract: 4x^3−6x^3+8x−9 from 7x^3−16x+18.
Hunter-Best [27]

Answer:

3x(3x + 2)

Step-by-step explanation:

4x2 - 2x) - (-5x2 - 8x)

= 4x2 - 2x + 5x2 + 8x.

= 4x2 + 5x2 - 2x + 8x.

= 9x2 + 6x.

= 3x(3x + 2).

6 0
3 years ago
Read 2 more answers
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